From 5ba3a2c4b6dfb928a097b36523d59cd5fa70706b Mon Sep 17 00:00:00 2001
From: Brian White <mscdex@mscdex.net>
Date: Sun, 25 Aug 2019 04:21:33 -0400
Subject: events: improve once() performance

PR-URL: https://github.com/nodejs/node/pull/29307
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
---
 lib/events.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'lib/events.js')

diff --git a/lib/events.js b/lib/events.js
index ae847dc234..ebde85c6dd 100644
--- a/lib/events.js
+++ b/lib/events.js
@@ -290,11 +290,13 @@ EventEmitter.prototype.prependListener =
       return _addListener(this, type, listener, true);
     };
 
-function onceWrapper(...args) {
+function onceWrapper() {
   if (!this.fired) {
     this.target.removeListener(this.type, this.wrapFn);
     this.fired = true;
-    return Reflect.apply(this.listener, this.target, args);
+    if (arguments.length === 0)
+      return this.listener.call(this.target);
+    return this.listener.apply(this.target, arguments);
   }
 }
 
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